<?php
error_reporting(E_ALL);
date_default_timezone_set('Asia/Shanghai');
define('API_URL', 'https://slog.slightech.com/realtime_data/add');
require_once 'Base_fetch.php';

	function get_cpu() {
		$value = Base_fetch::http_get($url);
		$token = Base_fetch::generate_token($key, $value, date('Y-m-d'));
		Base_fetch::http_post(API_URL, array('key' => $key, 'value' => $value, 'token' => $token));
	}

	function get_used_status() { 
		$fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"',"r");//获取某一时刻系统cpu和内存使用情况   
		$rs = ""; 
	    while(!feof($fp)) { 
	        $rs .= fread($fp,1024);  
		} 
		pclose($fp); 
	    $sys_info = explode("\n",$rs);  
	    $tast_info = explode(",",$sys_info[3]);//进程数组   
	    $cpu_info = explode(",",$sys_info[4]);  //CPU占有量数组   
	    $mem_info = explode(",",$sys_info[5]); //内存占有量数组  
	    //正在运行的进程数 
	    $tast_running = trim(trim($tast_info[1],'running'));   //CPU空闲量 
	    $cpu_usage = trim(trim($cpu_info[3],'Cpu(s): '),'%id');  //百分比  
	    //内存占有量 
	    $mem_total = trim(trim($mem_info[0],'Mem: '),'k total');    
	    $mem_used = trim($mem_info[1],'k used'); 
	    $mem_usage = round(100*intval($mem_used)/intval($mem_total),2);  //百分比  
	    /*硬盘使用率 begin*/ 
	    $fp = popen('df -lh | grep -E "^(/)"',"r");   
		$rs = fread($fp,1024); pclose($fp); 
	    $rs = preg_replace("/\s{2,}/",' ',$rs);  //把多个空格换成“_”   
		$hd = explode(" ",$rs); 
	    $hd_avail = trim($hd[3],'G'); //磁盘可用空间大小单位G   
		$hd_usage = trim($hd[4],'%'); //挂载点百分比   //
		print_r($hd);   /*硬盘使用率 end*/    
	    //检测时间 
	    $fp = popen("date +\"%Y-%m-%d %H:%M\"","r");   
		$rs = fread($fp,1024); 
		pclose($fp); 
	    $detection_time = trim($rs); 
	    /*获取IP地址  begin*/      
	    $fp = popen('ifconfig eth0 | grep -E "(inetaddr)"','r');   
	    $rs = fread($fp,1024);  
	    pclose($fp);    
	    $rs = preg_replace("/\s{2,}/",' ',trim($rs));  //把多个空格换成“_”   
	    $rs = explode(" ",$rs);   
	    $ip = trim($rs[1],'addr:');   */   
	    /*获取IP地址 end*/     
	    $file_name = "/tmp/data.txt"; // 绝对路径: homedata.dat    
	    $file_pointer = fopen($file_name, "a+"); // "w"是一种模式，详见后面 
	    fwrite($file_pointer,$ip); 
	    // 先把文件剪切为0字节大小，然后写入 
	    fclose($file_pointer); // 结束   */     
	    return  array('cpu_usage'=>$cpu_usage,
	    			'mem_usage'=>$mem_usage,
	   				'hd_avail'=>$hd_avail,
	    			'hd_usage'=>$hd_usage,
	    			'tast_running'=>$tast_running,
	    			'detection_time'=>$detection_time
	    		);  
	}    

   $status = get_used_status(); 
   print_r($status); 
}